SOLUTION: Which number when doubled and added to itself equals 20 ?

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: Which number when doubled and added to itself equals 20 ?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 769174: Which number when doubled and added to itself equals 20 ?
Answer by Jc0110(165) About Me  (Show Source):
You can put this solution on YOUR website!
Let the number to be x.
2x%2Bx=20
3x=20
x=20%2F3
x=6%262%2F3